Extra Brush Heads for the Blue Light Whitening Toothbrush (4-Pack)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> For use with the Blue Light Whitening Toothbrush (Item No. 203561) </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> A clean brush head allows greater emission of blue light from your Blue Light Whitening Toothbrush， for optimal whitening and antibacterial action </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Includes a one-year supply (4 brush heads) </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Antibacterial bristles help reduce germ build-up </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Oq58PsFQL.jpg" noproxy>